// Copyright 2007 The Apache Software Foundation

 //

 // Licensed under the Apache License, Version 2.0 (the "License");

 // you may not use this file except in compliance with the License.

 // You may obtain a copy of the License at

 //

 //     http://www.apache.org/licenses/LICENSE-2.0

 //

 // Unless required by applicable law or agreed to in writing, software

 // distributed under the License is distributed on an "AS IS" BASIS,

 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 // See the License for the specific language governing permissions and

 // limitations under the License.

 package org.apache.tapestry5.internal.beaneditor;

 import org.apache.tapestry5.ioc.AnnotationProvider;

 import org.apache.tapestry5.services.ValidationConstraintGenerator;

 import java.util.Arrays;

 import java.util.List;

 /**

  * Adds a "required" constraint for any property of whose type is a primitive (not a wrapper or reference) type.

  */

 public class PrimitiveFieldConstraintGenerator implements ValidationConstraintGenerator

 {

     private final List<String> REQUIRED = Arrays.asList("required");

     public List<String> buildConstraints(Class propertyType, AnnotationProvider annotationProvider)

     {

         return propertyType.isPrimitive() ? REQUIRED : null;

     }

 }